— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
#55017
A
reduce
B
remove
C
collect
D
gather
推荐题目
You               drive your car so fast It's very dangerous.
#52949
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't
Does Daniel ________ after school?
#61730
A
walk home
B
walk to home
C
go to home on foot
D
go home on feet
 I would rather ____ to the party than ______at home.
#58141
A
go; to stay
B
to go; stay
C
go; stay
D
to go; to stay
 —Is Mike    friend?—Yes, he and I    good friends.
#58118
A
you;am
B
your,are
C
your;am
D
his;are